Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2007-08-30
2011-12-27
Le, H. (Holly) T (Department: 1788)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S108100, C430S109400, C430S110400, C430S111400, C430S119860, C430S123500, C430S124100, C430S124130, C430S124300
Reexamination Certificate
active
08084179
ABSTRACT:
A toner including: toner particles which include: a colorant, a releasing agent, and a binder resin. The number average particle diameter of the toner particles is in the range of from 3.5 μm to 6.5 μm, wherein the number average particle diameter is determined by the Coulter method, the variation coefficient of the number distribution of the toner particles is in the range of 22.0 to 35.0, wherein the variation coefficient is found by dividing the standard deviation of the number distribution by the number average particle diameter, and 40% by number to 59% by number of the toner particles are 4.0 μm to 8.0 μm in diameter.
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Office Action issued May 31, 2011, in Chinese Application No. 200780001414.4 (with English-language Translation).
Supplementary European Search Report issued Jul. 29, 2011, in European Application No. 07 80 6795.6.
Le H. (Holly) T
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Ricoh & Company, Ltd.
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